Reviewed by Dan Bernstein.

        Assertion failure in RenderBlock::positionForPointWithInlineChildren when running fast/inline/relative-positioned-overflow.html
        https://bugs.webkit.org/show_bug.cgi?id=29966

        A test case where a user drags the mouse from an empty inline
        element to above texts.

        * editing/selection/last-empty-inline-expected.txt: Added.
        * editing/selection/last-empty-inline.html: Added.
        * platform/win/Skipped:
2009-11-26  Shinichiro Hamaji  <hamaji@chromium.org>

        Reviewed by Dan Bernstein.

        Assertion failure in RenderBlock::positionForPointWithInlineChildren when running fast/inline/relative-positioned-overflow.html
        https://bugs.webkit.org/show_bug.cgi?id=29966

        When an empty inline element is clicked, the root inline box has
        no leaf children. Use the renderer of a normal child instead.

        This change resolves Windows port's assertion failure in a layout test.
        Also, this fixes the behavior when a user drags the mouse from an
        empty inline element to above texts.

        Test: editing/selection/last-empty-inline.html

        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::positionForPointWithInlineChildren):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@51429 268f45cc-cd09-0410-ab3c-d52691b4dbfc